Updated: GAS Library - GeminiWithFiles

GeminiWithFiles was updated to v2.0.16 v2.0.16 (May 7, 2026) Introduced invoke_agent functionality to Agent Skills. Enabled subagent orchestration, allowing parent agents to spawn independent executing contexts (Subagents) for specialized tasks without polluting the main conversation history. You can see the detail information here https://github.com/tanaikech/GeminiWithFiles